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    BTC Short video demonstrating how to buy coffee with Lightning Network

    May 31, 2018

    BTC Short video demonstrating how to buy coffee with Lightning Network

    Short video demonstrating how to buy coffee with Lightning Network

    Posted: 30 May 2018 03:17 PM PDT

    This is governments trying to regulate bitcoin.

    Posted: 30 May 2018 05:09 AM PDT

    Should I convert some of my BCH to BTC? ( I feel that at least here, we can have a balanced discussion )

    Posted: 30 May 2018 11:26 PM PDT

    I wanted to grab some opinions from people, and figured on this message board I'd at least be respected and could have a discussion. (versus the other one who would just ban me right away)

    Anywho, I know that the majority here like BCH more (and I totally respect that), but I was just wondering if anyone here thinks I should convert some of my BCH to BTC? The main reason I'm asking is because I believe the following:

    1. I think as a scarce digital asset, the world won't care too much about transaction fees. Worst case scenario, Bitcoin becomes a trusted reserve asset with a 9+ year track history.

    2. I recognize BTC and BCH both have the same starting points time wise (technically speaking), but I don't think the public cares about that and sees the beginning of BCH as Aug 1, 2017.

    3. Other than having the word Bitcoin in it's name, and promotion from a very prominent figure in the crypto space, I don't feel that technically speaking BCH has a lot more going than other alts.

    4. The network effect is really hard to overcome, no matter what industry it is. We're nearly 1 year into the BCH hard fork, and BTC still has 14~ times more transactions than BCH.

    So all in all I think BCH is really fun, and the idea of much lower fees is incredible, but I don't know if it's quite enough to warrant it being a smarter investment than BTC in my lifetime.

    Any thoughts? Please don't downvote/be rude. :( I'm really trying to have a balanced conversation and am open to opinions.

    submitted by /u/Logical007
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    Blockstream CTOs ... team page has been 404 for months!

    Posted: 30 May 2018 05:18 PM PDT

    Did I miss the appointment of a new Blockstream CTO or is it still Adam Back and Andrew (Poelstra) sharing those responsibilities after Greg Maxwell left?

    Can't seem to find any up to date info! :-/

    Whoever is acting CTO ought to really fix the 404 on the Team page

    https://blockstream.com/team

    It doesn't exactly inspire confidence in the company.

    What also puzzles me is a reference Greg left in his departure email to the bitcoin-dev list, where he referred to

    the many non-Bitcoin blockchain applications which are important to Blockstream's business

    Maybe someone from Blockstream can shed some light on this?

    submitted by /u/StrawmanGatlingGun
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    Vitalik: Mass surveillance is problematic because I don't trust governments and large corporations to have interests that are aligned with us, and it creates points of centralized data collection that could get hacked, leading to everyone getting that data even if that was never the original intent

    Posted: 30 May 2018 06:46 PM PDT

    Jeff Berwick and Rafael LaVerde: BCH needs to increase privacy efforts.

    Posted: 31 May 2018 12:01 AM PDT

    The town of 1770 in QLD Australia has fully adopted Bitcoin Cash + other cryptocurrencies.

    Posted: 30 May 2018 07:08 PM PDT

    A crash course in freeing your mind from Bitcoin Core

    Posted: 30 May 2018 03:59 PM PDT

    South Korea’s Congress Formally Proposed To Lift The ICO Ban

    Posted: 30 May 2018 11:26 PM PDT

    Debunked: "We don't know what Satoshis opinion was on big blocks or exactly how he expected the Bitcoin design to scale past VISA levels and be usable as money for the entire world"

    Posted: 30 May 2018 07:28 AM PDT

    Satoshi:

    Long before the network gets anywhere near as large as that, it would be safe for users to use Simplified Payment Verification (section 8) to check for double spending, which only requires having the chain of block headers, or about 12KB per day. Only people trying to create new coins would need to run network nodes.

    At first, most users would run network nodes, but as the network grows beyond a certain point, it would be left more and more to specialists with server farms of specialized hardware.

    A server farm would only need to have one node on the network and the rest of the LAN connects with that one node.

    The bandwidth [required for running a network node] might not be as prohibitive as you think. A typical transaction would be about 400 bytes (ECC is nicely compact). Each transaction has to be broadcast twice, so lets say 1KB per transaction.

    Visa processed 37 billion transactions in FY2008, or an average of 100 million transactions per day. That many transactions would take 100GB of bandwidth, or the size of 12 DVD or 2 HD quality movies, or about $18 worth of bandwidth at current prices.

    If the network were to get that big, it would take several years, and by then, sending 2 HD movies over the Internet would probably not seem like a big deal.

    Source

    The existing Visa credit card network processes about 15 million Internet purchases per day worldwide. Bitcoin can already scale much larger than that with existing hardware for a fraction of the cost. It never really hits a scale ceiling. If you're interested, I can go over the ways it would cope with extreme size.

    By Moore's Law, we can expect hardware speed to be 10 times faster in 5 years and 100 times faster in 10. Even if Bitcoin grows at crazy adoption rates, I think computer speeds will stay ahead of the number of transactions.

    Source

    The current system where every user is a network node is not the intended configuration for large scale. That would be like every Usenet user runs their own NNTP server. The design supports letting users just be users.

    The more burden it is to run a node, the fewer nodes there will be. Those few nodes will be big server farms. The rest will be client nodes that only do transactions and don't generate.

    Source

    While I don't think Bitcoin is practical for smaller micropayments right now, it will eventually be as storage and bandwidth costs continue to fall [on the global market]. If Bitcoin catches on on a big scale, it may already be the case by that time. Another way they can become more practical is if I implement the client-only mode [which uses the "Simplified Payment Verification" described in the design PDF] and the number of network nodes [more rapidly] consolidates into a smaller number of professional server farms. Whatever size micropayments you need will eventually be practical. I think in 5 or 10 years, the bandwidth and storage will seem trivial.

    Source

    It would be nice to keep the blk*.dat files small as long as we can.

    The eventual solution will be to not care how big it gets.

    But for now, while it's still small, it's nice to keep it small so new users can get going faster. When I eventually implement client-only mode, that won't matter much anymore.

    Source

    It can be phased in, like:

    if (blocknumber > 115000) maxblocksize = largerlimit

    It can start being in versions way ahead, so by the time it reaches that block number and goes into effect, the older versions that don't have it are already obsolete.

    When we're near the cutoff block number, I can put an alert to old versions to make sure they know they have to upgrade.

    Source

    submitted by /u/fruitsofknowledge
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    I read the Mimblewimble paper, thoughts?

    Posted: 31 May 2018 01:28 AM PDT

    Anyone from the Indianapolis area interested interested in a BCH meetup?

    Posted: 30 May 2018 02:47 PM PDT

    I am from indianapolis and was wanting to start a BCH meetup. Was wondering how many from indy there are on reddit.

    submitted by /u/chrisgm3773
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    "The world needs Bitcoin Cash. It will bring economic freedom to millions of people around the world and fundamentally change the way the world works. " Compilation of Rogers presentation in Thailand-less than 3-min long

    Posted: 30 May 2018 09:51 AM PDT

    Node software to read OP_RETURN statuses

    Posted: 30 May 2018 06:24 PM PDT

    Sites like memo.cash & blockpress host their content on the blockchain, then provide a web accessible version of it through their website/server. I assume they have a node that pulls transactions with the appropriately prefixed OP_RETURN and populates the pages with the posts you see on those sites. I've mainly stuck to SPV wallets to save disk space, but I'm interested in these uses of the blockchain that aren't strictly financial. If I too want to read transactions to pull status updates or other uses of OP_RETURN, is there a simple library that could be integrated into a web server stack for these purposes?

    submitted by /u/loomenaughty
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    Coins.ph will start supporting BCH next month

    Posted: 30 May 2018 05:50 AM PDT

    Venezuela Bans Crypto Mining Rigs From Entering the Country

    Posted: 30 May 2018 01:18 PM PDT

    My aggressively coin-agnostic friend had his first experience *using* BCH today, after years of being a token speculator

    Posted: 30 May 2018 09:30 AM PDT

    Satoshi Nakamoto was weird, paranoid, and bossy, says early bitcoin develo

    Posted: 31 May 2018 01:23 AM PDT

    Be careful with localBitcoins.com kidnappers

    Posted: 30 May 2018 03:16 AM PDT

    I joined LocalBitcoin to trade BTC to enjoy a healthy arbitrage and offer privacy. I started to receive many calls from weird people wanting to buy my BTC with cash. All the calls had the same pattern, some were more sophisticated than others but they all were very interested in knowing what my BTC limit was. They all look for closing a big trade, as large as possible, they seem to not have limit.

    Be very careful. I've followed some of those and I even met one to close a small deal promising him to close a larger one in the future. They are going rob you. I'm not sure what the limit on the violence will be but you are going to put yourself in a difficult situation. In some occasions they put some excuse about that they can't flight and are open to pay you the roundtrip for you to go to their city or country.

    They seek for quantities of half a million Euros or more but some of them are ok with 50k€.

    For that amount many people are willing to pull a gun or stab you.

    In Europe specifically they are Italians and Arabs mostly.

    Could some of them be legit? I really doubt it but there is a possibility. For me the risk is not worth it.

    I hope this helps. Don't be bold.

    submitted by /u/Maesitos
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    Initial sync time with terabyte blocks?

    Posted: 30 May 2018 03:14 PM PDT

    Hi guys - I'm not trolling, but genuinely interested in an answer (fired it to CSW and Roger on Twitter, never got any response).

    Q: When blocks are terabyte in size, and chain is measured in petabytes - and I want to start new node (new mining operation for example). How would I achieve an initial sync of the node?

    This interests me as today it takes around week to sync Bitcoin node, syncing ETH node is even more difficult. Simply can't imagine trying to sync petabytes with new terabyte block arriving each 10 minutes.

    Would appreciate an answer as opposed to calling names :-)

    submitted by /u/skyfox_uk
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    Toronto Bitcoin Cash Meetup?

    Posted: 30 May 2018 10:10 PM PDT

    Hello anyone interested in a Toronto Meetup? If you are comment below.

    submitted by /u/shevchou
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    What % of your BTC or BCH have you used to pay for something?

    Posted: 30 May 2018 10:06 PM PDT

    Just curious, who on here has used their BTC or BCH to buy something?

    As a % of your total holdings, what % have you used to pay for something?

    What do you buy?

    submitted by /u/Jordan-Crawford
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    Locked/suspended Twitter crypto accounts.

    Posted: 30 May 2018 01:11 PM PDT

    :( I definitely need to do another round of helping. Just if you can please tell people in /r/btc it seems not to be Twitter directly... but rather abuse of their supports incompetence. I'll try to make it right... once I'm (hopefully successfully) done with this round helping general bans + GDRP people I may try to specifically do round of helping on crypto - btc/bch crowd. post on r/Twitter .

    This is about many suspended related to crypto Twitter accounts. For example currently I can't use my Twitter account: disabled likes, tweets, retweets, removed all followings. Similar happened to u/number_sonics and many others .

    Thank you to u/codeoverwhelming for active participation in issue solving. From Twitter support there is only one response-template which doesn't work.

    submitted by /u/piootr
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    More than 125 people RSVPed for the BCH meetup in Tokyo tonight. Less than 10 RSVPed for the BTC meetup tomorrow night. Go BCH!

    Posted: 30 May 2018 03:17 AM PDT

    Any bch casinos?

    Posted: 30 May 2018 06:23 PM PDT

    Primarily sports betting 😋

    submitted by /u/iconwolf7897
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